From 507062d51b3e018fdfac838e7982ffe62ff423c5 Mon Sep 17 00:00:00 2001 From: Anton Kling Date: Sun, 28 Apr 2024 21:39:53 +0200 Subject: Kernel: Use ringbuffer for handling incoming socket data --- kernel/lib/ringbuffer.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'kernel/lib/ringbuffer.c') diff --git a/kernel/lib/ringbuffer.c b/kernel/lib/ringbuffer.c index 425971d..66dd17e 100644 --- a/kernel/lib/ringbuffer.c +++ b/kernel/lib/ringbuffer.c @@ -65,6 +65,10 @@ u32 ringbuffer_read(struct ringbuffer *rb, u8 *buffer, u32 len) { return orig_len - len; } +int ringbuffer_isempty(const struct ringbuffer *rb) { + return (rb->write_ptr == rb->read_ptr); +} + void ringbuffer_free(struct ringbuffer *rb) { kfree(rb->buffer); rb->buffer = NULL; -- cgit v1.2.3